Reciprocating pump



FIG. 1 is a top perspective view of the reciprocating pump;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right elevation view thereof; and

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for the reciprocating pump, as shown and described. 